Faced with an "unprecedented mobile response," mGive and the Red Cross have collected over $10 million in relief for Haiti. With text donations pouring in at a rate of 10,000 a second, and average donations of $10 automatically charged to phone bills of mobile users, mGive's system has proved essential for those looking to contribute.

For a full list of ways to donate, as well as how to avoid scams while doing so, check out LifeHacker's guide.